715  
WWUS76 KSGX 072036  
NPWSGX  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
136 PM PDT SAT SEP 7 2024  
 
CAZ048-080515-  
/O.CON.KSGX.EH.W.0008.000000T0000Z-240910T0300Z/  
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-  
INCLUDING THE CITIES OF RIVERSIDE, RANCHO CUCAMONGA, CORONA, SAN  
BERNARDINO, MORENO VALLEY, FONTANA, AND ONTARIO  
136 PM PDT SAT SEP 7 2024  
   
..EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY
 
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HIGH TEMPERATURES OF 102 TO  
110. VERY WARM NIGHTS WITH LOWEST TEMPERATURES ONLY FALLING INTO  
THE MID TO UPPER 70S.  
 
* WHERE...SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND  
EMPIRE.  
 
* WHEN...UNTIL 8 PM PDT MONDAY.  
 
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING  
EXTREME HEAT EVENTS.  
 
* ADDITIONAL DETAILS...A VERY SLOW COOLING TREND WILL OCCUR SUNDAY  
AND MONDAY, BUT TEMPERATURES WILL REMAIN 8-12 DEGREES ABOVE NORMAL.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
CAZ050-080515-  
/O.CON.KSGX.EH.W.0008.000000T0000Z-240910T0300Z/  
SAN DIEGO COUNTY VALLEYS-  
INCLUDING THE CITIES OF LA MESA, SANTEE, ESCONDIDO, EL CAJON, SAN  
MARCOS, AND POWAY  
136 PM PDT SAT SEP 7 2024  
   
..EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY
 
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HIGH TEMPERATURES OF 102 TO  
110. VERY WARM NIGHTS WITH LOWEST TEMPERATURES ONLY FALLING INTO  
THE 70S.  
 
* WHERE...SAN DIEGO COUNTY VALLEYS.  
 
* WHEN...UNTIL 8 PM PDT MONDAY.  
 
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING  
EXTREME HEAT EVENTS.  
 
* ADDITIONAL DETAILS...A VERY SLOW COOLING TREND WILL OCCUR SUNDAY  
AND MONDAY, BUT TEMPERATURES WILL REMAIN 10-15 DEGREES ABOVE  
NORMAL.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
CAZ057-080515-  
/O.CON.KSGX.EH.W.0008.000000T0000Z-240910T0300Z/  
SANTA ANA MOUNTAINS AND FOOTHILLS-  
136 PM PDT SAT SEP 7 2024  
   
..EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY
 
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HIGH TEMPERATURES IN THE  
90S TO 104 EXPECTED. WARM NIGHTS WITH LOW TEMPERATURES IN THE MID  
TO UPPER 70S.  
 
* WHERE...SANTA ANA MOUNTAINS AND FOOTHILLS.  
 
* WHEN...UNTIL 8 PM PDT MONDAY.  
 
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING  
EXTREME HEAT EVENTS.  
 
* ADDITIONAL DETAILS... A VERY SLOW COOLING TREND WILL OCCUR SUNDAY  
AND MONDAY, BUT TEMPERATURES WILL REMAIN 5 TO 8 DEGREES ABOVE  
NORMAL.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
CAZ554-080515-  
/O.CON.KSGX.EH.W.0008.000000T0000Z-240910T0300Z/  
ORANGE COUNTY INLAND AREAS-  
INCLUDING THE CITIES OF MISSION VIEJO, IRVINE, SANTA ANA,  
ANAHEIM, ORANGE, GARDEN GROVE, AND FULLERTON  
136 PM PDT SAT SEP 7 2024  
   
..EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY
 
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HIGH TEMPERATURES IN THE  
MID 90S TO 106 EXPECTED. WARM NIGHTS WITH LOW TEMPERATURES IN THE  
LOWER TO MID 70S.  
 
* WHERE...ORANGE COUNTY INLAND AREAS.  
 
* WHEN...UNTIL 8 PM PDT MONDAY.  
 
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING  
EXTREME HEAT EVENTS.  
 
* ADDITIONAL DETAILS... A VERY SLOW COOLING TREND WILL OCCUR SUNDAY  
AND MONDAY, BUT TEMPERATURES WILL REMAIN 10-15 DEGREES ABOVE  
NORMAL.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
CAZ043-080515-  
/O.CON.KSGX.HT.Y.0008.000000T0000Z-240910T0300Z/  
SAN DIEGO COUNTY COASTAL AREAS-  
INCLUDING THE CITIES OF CARLSBAD, VISTA, NATIONAL CITY, CHULA  
VISTA, SAN DIEGO, OCEANSIDE, AND ENCINITAS  
136 PM PDT SAT SEP 7 2024  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY
 
 
* WHAT...HIGH TEMPERATURES IN THE MID 80S NEAR THE COAST TO THE 90S  
AND NEAR 100 DEGREES A FEW MILES INLAND.  
 
* WHERE...SAN DIEGO COUNTY COASTAL AREAS.  
 
* WHEN...UNTIL 8 PM PDT MONDAY.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
CAZ552-080515-  
/O.CON.KSGX.HT.Y.0008.000000T0000Z-240910T0300Z/  
ORANGE COUNTY COASTAL AREAS-  
INCLUDING THE CITIES OF HUNTINGTON BEACH AND COSTA MESA  
136 PM PDT SAT SEP 7 2024  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY
 
 
* WHAT...HIGH TEMPERATURES IN THE MID 80S AT THE BEACHES TO THE 90S  
AND NEAR 100 A FEW MILES INLAND.  
 
TEMPERATURES 83 TO 95 DEGREES. WARMEST CONDITIONS EXPECTED AWAY FROM  
THE IMMEDIATE COAST.  
 
* WHERE...ORANGE COUNTY COASTAL AREAS.  
 
* WHEN...UNTIL 8 PM PDT MONDAY.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 

 
 

 
 
CO  
 
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